Because bisphenol A (BPA) is a high production volume chemical, we examined over 500
peer-reviewed studies to understand its global distribution in effluent discharges, surface …

The shuttle imaging radar (SIR-A) carried on the space shuttle Columbia in November 1981
penetrated the extremely dry Selima Sand Sheet, dunes, and drift sand of the eastern …

Relatively unvegetated linear dunes and sand sheets in sand seas of northern Mauritania
are in a high-energy wind environment. These sand seas typically are elongate and are …

Dunes are classified according to a system based on remote sensing as linear, crescentic,
star, parabolic and dome-like. Some of these categories subdivide into simple, compound …

A complex history of Cenozoic fluvial activity in the presently hyperarid Eastern Sahara is
inferred from SIR data and postflight field investigations in southwest Egypt and northwest …

Massed crescentic ridges are the most common dunes in the north circumpolar erg and
crater floor dune fields on Mars; they are similar in plan to dunes that are typical of many …

Bir Safsaf, within the hyperarid “core” of the Sahara in the Western Desert of Egypt, was
recognized following the SIR-A and SIR-B missions in the 1980s as one of the key localities …

Importance Current guidelines recommend a 28-day course of enoxaparin for
thromboprophylaxis after surgery for gynecologic cancer. The high cost of this medication …

Faithful chromosome segregation depends on the opposing activities of the budding yeast
Glc7/PP1 protein phosphatase and Ipl1/Aurora protein kinase. We explored the relationship …

SIR-A signal penetration and subsurface backscatter within the upper meter or so of the
sediment blanket in the Eastern Sahara of southern Egypt and northern Sudan are …